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nx_doc_view_gate.nx source

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1// nx_doc_view_gate.nx -- gate for the document-viewer DISPATCH (the browser omnitool core). Proves nx_doc_view 2// reads the registry (knowledge/doc_viewers.conf) and routes each extension to the right sovereign renderer, 3// producing inline 0-JS HTML: docx->nx_docx, md->nx_md, csv->nx_csv. Negative control: an unregistered extension 4// is refused (not silently mis-rendered). Requires the renderers blessed in _offc. license_tier: ORIGINAL 5import "nx_syscalls.nx" 6 7func gv_slen(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8) { n=n+1 } return n } 8func gv_p(s: *u8) -> i64 { sys_write(1, s, gv_slen(s)); return 0 } 9func gv_cat(dst: *u8, off: i64, s: *u8) -> i64 { var i: i64=0; while s[i]!=(0 as u8) { dst[off+i]=s[i]; i=i+1 } return off+i } 10func gv_catn(dst: *u8, off: i64, v: i64) -> i64 { 11 var o: i64=off; var m: i64=v; if m<0 { dst[o]=45 as u8; o=o+1; m=0-m } 12 let t: *u8=sys_mmap(28); var k: i64=0; if m==0 { t[0]=48 as u8; k=1 } 13 while m>0 { t[k]=(48+(m%10)) as u8; m=m/10; k=k+1 } 14 var i: i64=0; while i<k { dst[o+i]=t[k-1-i]; i=i+1 } return o+k 15} 16func gv_write(path: *u8, content: *u8) -> i64 { 17 let fd: i64=sys_openat_wr(path, 0x1a4); if fd<0 { return 0-1 } 18 sys_write(fd, content, gv_slen(content)); sys_close(fd); return 0 19} 20func gv_readall(path: *u8, szout: *i64) -> *u8 { 21 let fd: i64=sys_openat_rd(path); if fd<0 { szout[0]=0-1; return 0 as *u8 } 22 let buf: *u8=sys_mmap(4194304); var got: i64=0; var n: i64=1 23 while n>0 { n=sys_read(fd,(buf as i64+got) as *u8,131072); if n>0 { got=got+n } } 24 sys_close(fd); szout[0]=got; return buf 25} 26func gv_runv(elf: *u8, args: *i64, outpath: *u8) -> i64 { 27 let pid: i64=sys_fork() 28 if pid==0 { 29 if (outpath as i64)!=0 { let ofd: i64=sys_openat_wr(outpath,0x1a4); if ofd>=0 { sys_dup3(ofd,1,0); sys_dup3(ofd,2,0) } } 30 let argv: *i64=sys_mmap(128) as *i64 31 argv[0]=elf as i64; var i: i64=0; var go: i64=1 32 while go==1 { if args[i]==0 { go=0 } else { argv[i+1]=args[i]; i=i+1 } } 33 argv[i+1]=0 34 let envp: *i64=sys_mmap(16) as *i64; envp[0]=0 35 sys_execve(elf, argv, envp); sys_exit(127) 36 } 37 let st: *i64=sys_mmap(16) as *i64; sys_wait4(pid, st, 0) 38 let sig: i64=st[0]&0x7f; if sig!=0 { return 128+sig } 39 return (st[0]>>8)&0xff 40} 41func gv_has(path: *u8, needle: *u8) -> i64 { 42 let szp: *i64=sys_mmap(16) as *i64; let b: *u8=gv_readall(path, szp); let sz: i64=szp[0] 43 let n: i64=gv_slen(needle); if sz<n { return 0 } 44 var i: i64=0 45 while i+n<=sz { var ok: i64=1; var j: i64=0; while j<n { if b[i+j]!=needle[j] { ok=0; j=n } else { j=j+1 } } if ok==1 { return 1 } i=i+1 } 46 return 0 47} 48func gv_args(a1: *u8, a2: *u8, a3: *u8) -> *i64 { 49 let a: *i64=sys_mmap(64) as *i64; a[0]=a1 as i64; a[1]=a2 as i64; a[2]=a3 as i64; a[3]=0; return a 50} 51func gv_row(name: *u8, pass: i64) -> i64 { 52 gv_p("ROW " as *u8); gv_p(name); if pass==1 { gv_p(" PASS\n" as *u8) } else { gv_p(" FAIL\n" as *u8) } return pass 53} 54 55func main(argc: i64, argv: *i64) -> i64 { 56 gv_p("=== DOC-VIEW DISPATCH GATE: browser omnitool -- registry routes docx/md/csv to renderers, inline HTML ===\n" as *u8) 57 let dv: *u8="/tmp/nx_doc_view.sov.elf" as *u8 58 let pr: i64=sys_openat_rd(dv) 59 if pr>=0 { sys_close(pr) } else { 60 gv_p(" instrument missing -> rebuilding\n" as *u8) 61 gv_runv("_offc/nx_sov_build_run.elf" as *u8, gv_args("nx_doc_view" as *u8, "--build-only" as *u8, 0 as *u8), "/tmp/dv_rebuild.out" as *u8) 62 } 63 // test inputs 64 gv_write("/tmp/dv_t.md" as *u8, "# Title\n\nHello **world** and *emphasis*.\n\n- one\n- two\n" as *u8) 65 gv_write("/tmp/dv_t.csv" as *u8, "Name,Role,City\nAlice,Lead,Denver\nBob,Eng,Provo\n" as *u8) 66 let docx: *u8="web_assets/vizsla_agreement_demo.docx" as *u8 67 68 var pass: i64=0; var r: i64=0 69 70 // row 1: markdown dispatch 71 let rc1: i64=gv_runv(dv, gv_args("/tmp/dv_t.md" as *u8, "/tmp/dv_md.html" as *u8, "/dv_t.md" as *u8), "/tmp/dv_r1.txt" as *u8) 72 r=0; if rc1==0 { if gv_has("/tmp/dv_r1.txt" as *u8, "DOC-VIEW-OK ext=md viewer=Markdown" as *u8)==1 { if gv_has("/tmp/dv_md.html" as *u8, "<h1>Title</h1>" as *u8)==1 { if gv_has("/tmp/dv_md.html" as *u8, "<b>world</b>" as *u8)==1 { r=1 } } } } 73 pass=pass+gv_row("md-dispatch" as *u8, r) 74 75 // row 2: csv dispatch 76 let rc2: i64=gv_runv(dv, gv_args("/tmp/dv_t.csv" as *u8, "/tmp/dv_csv.html" as *u8, "/dv_t.csv" as *u8), "/tmp/dv_r2.txt" as *u8) 77 r=0; if rc2==0 { if gv_has("/tmp/dv_r2.txt" as *u8, "DOC-VIEW-OK ext=csv" as *u8)==1 { if gv_has("/tmp/dv_csv.html" as *u8, "<th>Name</th>" as *u8)==1 { if gv_has("/tmp/dv_csv.html" as *u8, "<td>Denver</td>" as *u8)==1 { r=1 } } } } 78 pass=pass+gv_row("csv-dispatch" as *u8, r) 79 80 // row 3: docx dispatch 81 let rc3: i64=gv_runv(dv, gv_args("web_assets/vizsla_agreement_demo.docx" as *u8, "/tmp/dv_docx.html" as *u8, "/vizsla_agreement.docx" as *u8), "/tmp/dv_r3.txt" as *u8) 82 r=0; if rc3==0 { if gv_has("/tmp/dv_r3.txt" as *u8, "DOC-VIEW-OK ext=docx viewer=Word document" as *u8)==1 { if gv_has("/tmp/dv_docx.html" as *u8, "<h2>Venue Booking Agreement</h2>" as *u8)==1 { r=1 } } } 83 pass=pass+gv_row("docx-dispatch" as *u8, r) 84 85 // row 4: all outputs sovereign (0-JS) 86 r=1 87 if gv_has("/tmp/dv_md.html" as *u8, "<script" as *u8)==1 { r=0 } 88 if gv_has("/tmp/dv_csv.html" as *u8, "<script" as *u8)==1 { r=0 } 89 if gv_has("/tmp/dv_docx.html" as *u8, "<script" as *u8)==1 { r=0 } 90 pass=pass+gv_row("all-sovereign-0js" as *u8, r) 91 92 // row 5 (neg): unregistered extension refused 93 gv_write("/tmp/dv_t.xyz" as *u8, "nope\n" as *u8) 94 let rc5: i64=gv_runv(dv, gv_args("/tmp/dv_t.xyz" as *u8, "/tmp/dv_x.html" as *u8, 0 as *u8), "/tmp/dv_r5.txt" as *u8) 95 r=0; if rc5==3 { if gv_has("/tmp/dv_r5.txt" as *u8, "DOC-VIEW-UNSUPPORTED ext=xyz" as *u8)==1 { r=1 } } 96 pass=pass+gv_row("unsupported-refused" as *u8, r) 97 98 let permil: i64=(pass*1000)/5 99 let logfd: i64=sys_openat_append("knowledge/status/vizsla_gate.log" as *u8, 0x1a4) 100 var fdi: i64=0 101 while fdi<2 { 102 var fd: i64=1; if fdi==1 { fd=logfd } 103 if fd>0 { 104 let line: *u8=sys_mmap(256); var o: i64=0 105 o=gv_cat(line,o,"DOC-VIEW-GATE epoch=" as *u8); o=gv_catn(line,o,sys_now_realtime_sec()) 106 o=gv_cat(line,o," rows=5 pass=" as *u8); o=gv_catn(line,o,pass) 107 o=gv_cat(line,o," permil=" as *u8); o=gv_catn(line,o,permil) 108 if pass==5 { o=gv_cat(line,o," verdict=GREEN\n" as *u8) } else { o=gv_cat(line,o," verdict=RED\n" as *u8) } 109 sys_write(fd, line, o) 110 } 111 fdi=fdi+1 112 } 113 if logfd>0 { sys_close(logfd) } 114 if pass==5 { return 0 } 115 return 1 116}